.app {
  height: 200px;
	display: flex;
	flex-flow: row;
	justify-content: space-between;
  border:  1px solid lightblue;
	.nav {
		width: 200px;
		padding: 10px;
		margin: 10px;
  border:  1px solid lightsalmon;

	}
	.content {
		flex: 1;
		padding: 10px;
		margin: 10px;
  border:  1px solid lightgreen;

	}
}
.nav-link{
  color: cadetblue;
  text-decoration: underline;
}
.selected{
  color: black;
}